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  • Antennas Direct STM-715 30-Inch Antenna J-Mount
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Antennas Direct STM-715 30-Inch Antenna J-Mount


List Price: $36.99
Price: $21.33 & FREE Shipping on orders over $35. Details
You Save: $15.66 (42%)
Only 20 left in stock (more on the way).
Ships from and sold by Amazon.com. Gift-wrap available.
  • 30-Inch x 1 5/8-Inch diameter universal antenna J-mount, mounting hardware, roof sealant strips included
  • Pivoting foot for horizontal or vertical installation
  • The unique design of J Mounts allows you to get the TV antenna higher than standard 18" poles allow
  • Will attach to any flat surface including a roof, fascia, side-of-house, and deck rail.
  • 90-day Limited Warranty
8 new 1 used from $20.06

Frequently Bought Together

Antennas Direct STM-715 30-Inch Antenna J-Mount + Antennas Direct ClearStream4 HDTV Antenna + Mediabridge Coaxial Digital Audio/Video Cable (50 Feet) - Triple Shielded F-Pin to F-Pin with Easy Grip Connector Caps - Black
Price for all three: $155.29

Buy the selected items together


Special Offers and Product Promotions

  • Buy Used and Save: Buy a Used "Antennas Direct STM-715 30-Inch Antenna J-Mount" and save 45% off the $36.99 list price. Buy with confidence as the condition of this item and its timely delivery are guaranteed under the "Amazon A-to-z Guarantee". See all Used offers.

Technical Details

  • Included: Roof Sealant Strips
  • Need Help? Call our Tech Support Line at 877-825-5572 Monday - Friday 9am - 9 pm CST and Saturday - Sunday, 10am -6pm.

Product Details

Manual [PDF]
  • Product Dimensions: 6.9 x 5.1 x 28.8 inches ; 4 pounds
  • Shipping Weight: 5 pounds (View shipping rates and policies)
  • Shipping: Currently, item can be shipped only within the U.S.
  • ASIN: B000WOVD1Y
  • Item model number: STM-715
  • Average Customer Review: 4.2 out of 5 stars  See all reviews (144 customer reviews)
  • Amazon Best Sellers Rank:
  • Date first available at Amazon.com: July 7, 2004

Product Description

75 Cm J-mount/mast

Customer Questions & Answers

Customer Reviews

This J-mount is sturdy and was easy enough to mount on my roof.
J. Norvell
This is why i shop here so much, the product made it very easy to install in my attic.
4realguy Beaumont, Tx
The mast/mount is very simple but the construction is sturdy and heavy.
Mr. K

Most Helpful Customer Reviews

61 of 67 people found the following review helpful By N. Waters on April 12, 2009
Verified Purchase
This purchase was part of a project to save money on cable company bills, which previously were adding up to almost $150/month for internet service, cable programming and converter box. The solution gives me high-definition TV for over $100/month less. I ordered the Antennas Direct CLEARSTREAM4 Antenna and the 75 Cm J-mount/mast to attach the antenna to my roof eave. I used 50 feet of 75-ohm tv cabling to run the signal to my TiVo TCD652160 HD Digital Video Recorder and I was in business. I quit using the converter box and cable tv programming (keeping only high speed internet service) and signed up with TiVO and Netflix at much more reasonable monthly rates.

The Clearstream 4 antenna assembled without major hassles. The illustrations provided were more helpful than the written directions, but in the end it will go together only one way. The antenna itself is made of lightweight but well-engineered materials and it has not shown any problems in the strong local winds common in this area. The television stations in my area use mountaintop transmitters to send their signals. I went online to [...], plugged in my address, and was provided with a map showing the directions from my house to the various transmitters. The Clearstream4 antenna has a wide signal reception range, so I found that turning the antenna to an azimuth of about 300 degrees (NNW direction) worked very well and I was able to get clear signals of all the local stations.
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31 of 33 people found the following review helpful By J. Katz on July 22, 2008
Verified Purchase
The product's construction is very sturdy, and fairly easy to assemble (although I agree the instructions leave something to be desired -- however it is easy enough). The mount is flexible and adjustable for a large variety of installation configurations.
One strange thing is that the mount comings with 4 expansion bolts to attach it to the wall. These kinds of bolts are great for concrete or brick walls (you must first drill a hole in the concrete/brick wall), but they are completely useless for using in wood, which is what I image most people actually want to attach it to! If you plan to attach it to wood, you will need to purchase 4 wood screws separately. While strange, this is hardly a big deal.
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21 of 23 people found the following review helpful By ® on January 25, 2009
Verified Purchase
If you got a Antennas Direct's DB series antenna then you are probably looking for a stand for it, which is why you are here. This is a 30" (model # STM-715) j-mount design to bolt to some hard surface or structure. Included are expansion bolts, but you can use your own screws if you need to attach it to something else. I wished the base was a little bigger to be stabler, but it was engineered to hold up my DB4 antenna just fine. Just don't bump it or it will tip over. Go to antenna direct if you want to see better pictures. If you got a Clearstream model then you might have to look at the CJ mount.
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7 of 7 people found the following review helpful By G. Williams on July 12, 2009
Verified Purchase
I bought this mast to use with the DB8 antenna. It is more than strong enough to hold the antenna, and very easy to install.
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6 of 6 people found the following review helpful By Stan on July 12, 2012
Verified Purchase
I had previously ordered and received the DB4e antenna from Amazon. I wanted to get the antenna before ordering the mast,since I wanted to check to get the length needed to get the antenna above the copper flashing on my chimney.

The 30" inches mount would have been sufficient for me. I checked the manufacturer's web site and found the technical specification sheet (the same sheet which comes with the product). Nowhere on the Tech Sheet are any measurements given. I called the service # of the manufacturer and was told that 30" was from the bend in the tube until the end -- sufficient for me.

Upon receipt of the mount this morning it looked shorter than I was expecting. The measurement from the bend of the tube to the end was not 30" but only 21" (too short for me). The overall measurement of the tube from one end to the other (including the bend) was only about 28". I don't see why or how this would be described as a 30" mounting tube. The meansurement was confirmed by the manufacturer, who this time opened a box.

I returned the item to Amazon and order the 40" mount -- which should be sufficient for me.

Why they don't put measurements on the Tech sheet is beyond me. They tell me the measurements of the bolts included in the package but not the length of the tube -- having the length specified on the diagram would have saved me two phone calls to the manufacturer and having to return the first mast to Amazon.
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4 of 4 people found the following review helpful By M. Skyles on November 29, 2010
Verified Purchase
This is a good product but how ever I didn't really need it. Turns out the outdoor AIR ANTENNA I purchased from Amazon got such great TV reception in HD that I no longer needed satellite or cable service. I removed the satellite dish and replaced the dish with the new air antenna. The j mount that came with the dish was the same size as the one I purchased and since it was already installed I simply used the satellite dish mount instead.
Originally we subscribed to satellite because the reception we where getting in analog was crappy but since the new digital air in HDTV went into effect I discovered that the picture quality was awesome, better than satellite or cable and the TV doesn't loose reception on thick cloudy days. We were paying $97.00 a month for basic satellite service every month with Direct TV. With the Air antenna we are getting TV stations we never gotten with satellite service including a local sports and weather channel I never new existed. We are canceling our Direct TV subscription and replacing it with FREE Air service.
We also purchased from Amazon the Channel Master DVR so we don't miss a thing. It works just like the DVR we were renting from Direct TV only we pay nothing, no subscription or any hidden fees. I love it, we are back to the basics and loosing very little.
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